问题
单项选择题
All inspected vessels on unrestricted ocean routes must have equipment on board for testing an individual’s().
A.blood
B.breath
C.urine
D.All of the above
答案
参考答案:B
All inspected vessels on unrestricted ocean routes must have equipment on board for testing an individual’s().
A.blood
B.breath
C.urine
D.All of the above
参考答案:B